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Error while installing json gem 'mkmf.rb can't find header files for ruby'
...rn era update, as stated by mimoralea:
In case that you are using ruby 2.0 or 2.2 (thanks @patrick-davey).
sudo apt-get install ruby2.0-dev
sudo apt-get install ruby2.2-dev
sudo apt-get install ruby2.3-dev
or, generic way:
sudo apt-get install ruby-dev
or
sudo apt-get install ruby`r...
How to calculate cumulative normal distribution?
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125
Here's an example:
>>> from scipy.stats import norm
>>> norm.cdf(1.96)
0.975...
Preserving signatures of decorated functions
...wargs)
@args_as_ints
def funny_function(x, y, z=3):
"""Computes x*y + 2*z"""
return x*y + 2*z
print funny_function("3", 4.0, z="5")
# 22
help(funny_function)
# Help on function funny_function in module __main__:
#
# funny_function(x, y, z=3)
# Computes x*y + 2*z
Python 3.4+
func...
Why is [1,2] + [3,4] = “1,23,4” in JavaScript?
... For example var o = { valueOf:function () { return 4; } }; evaluating o + 2; produces 6, a number, evaluating o + '2' produces '42', a string.
To see how the overview table was generated visit http://jsfiddle.net/1obxuc7m/
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Javascript add leading zeroes to date
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24 Answers
24
Active
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How to set a Default Route (To an Area) in MVC
... to give you a quick summary of what it actually does: It lets you put a {2} into the location format, which corresponds to the area name, the same way {1} corresponds to the controller name. That's it! That's what we had to write all this code for:
BaseAreaAwareViewEngine.cs
public abstract class...
How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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How to change the color of an svg element?
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215
You can't change the color of an image that way. If you load SVG as an image, you can't change...
How to add title to subplots in Matplotlib?
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225
ax.title.set_text('My Plot Title') seems to work too.
fig = plt.figure()
ax1 = fig.add_subplo...
What is the list of possible values for navigator.platform as of today? [closed]
...er is running a browser compiled for 16-bit, even though the user is on a 32-bit or 64-bit Windows machine.
Of course W3Schools lists the old definition (I'm not even gonna link to them). W3 and MDN have agreed on a different definition though:
navigator.platform represents the platform on which th...